From: Steven Ihde <x-linux-raid@hamachi.dyndns.org>
To: Jeff Unruh <jeff@jdubya.org>
Cc: 'Steven Joerger' <steven.joerger@gmail.com>, linux-raid@vger.kernel.org
Subject: Re: LVM on top of software raid5
Date: Sat, 4 Dec 2004 19:17:56 -0800 [thread overview]
Message-ID: <20041205031756.GA3784@hamachi.dyndns.org> (raw)
In-Reply-To: <200412050309.iB539WJ5015009@ms-smtp-04.texas.rr.com>
On Sat, 04 Dec 2004 21:10:01 -0600, Jeff Unruh wrote:
> I should have mentioned I boot off a Raid-1 array with Grub and manually
> update the 3rd disk's /boot ...
>
> /dev/md0 (Raid 1) is 32 MB for /boot
> /dev/md1 (Raid 5) is 4 GB for /
> /dev/md2 (Raid 5 with LVM2 = /dev/vg0) is 366 GB for /home /usr /opt /var
> and /tmp
>
> I am sure that set-up is debatable, but it has worked well thus far.
You can make /dev/md0 a three-disk raid1 (instead of a two-disk).
Then you can dispense with the step of manually updating when you
change /boot. Presumably writes to /boot are so rare that you don't
mind the penalty of triple-writing everything -- I don't.
-Steve
prev parent reply other threads:[~2004-12-05 3:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-04 0:39 LVM on top of software raid5 Steven Joerger
2004-12-04 21:23 ` Jeff Unruh
2004-12-04 21:57 ` Steven Ihde
2004-12-05 3:10 ` Jeff Unruh
2004-12-05 3:17 ` Steven Ihde [this message]
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